Project Number Date
test_Tails_ISO_tca-misc-improvements 8 15 Apr 2025, 18:36

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 11:27.539 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
24.182
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.175
And I prepare Tails for memory erasure tests 0.484
When I start a process allocating 128 MiB of memory with a known pattern 2.741
Then patterns cover at least 128 MiB in the guest's memory 3.398 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.829
Then I find very few patterns in the guest's memory after 5 seconds 8.551 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.701
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.771
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.440
And I prepare Tails for memory erasure tests 0.415
And I find very few patterns in the guest's memory 3.026 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.284
Then patterns cover at least 99% of the test FS size in the guest's memory 3.988 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.002
Then I find very few patterns in the guest's memory after 3 seconds 6.612 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.965
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.037
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.964
And I prepare Tails for memory erasure tests 0.378
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.032
Then I find very few patterns in the guest's memory 3.445 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.670
Then patterns cover at least 75% of the test FS size in the guest's memory 4.204 
Pattern coverage: 92.641% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.106
Then I find very few patterns in the guest's memory after 3 seconds 6.884 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.230
And I read the content of the test FS 1.049
Then patterns cover at least 99% of the test FS size in the guest's memory 3.865 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.560
Then I find very few patterns in the guest's memory after 3 seconds 6.644 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.988
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.393
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.151
And I prepare Tails for memory erasure tests 0.591
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.548
Then I find very few patterns in the guest's memory 2.675 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.728
Then patterns cover at least 99% of the test FS size in the guest's memory 3.068 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.071
Then I find very few patterns in the guest's memory after 3 seconds 6.116 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 5.153
And I read the content of the test FS 0.473
Then patterns cover at least 99% of the test FS size in the guest's memory 3.351 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.504
Then I find very few patterns in the guest's memory after 3 seconds 5.959 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 1.670
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.268
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.046
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the root filesystem 16.554
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.614
Then patterns cover at least 128 MiB in the guest's memory 2.876 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.737 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.527
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:33.886
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:49.646
And I prepare Tails for memory erasure tests 0.958
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.814
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.454 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.552
After features/support/hooks.rb:100 0.013